Create a new Xenserver OES 2 SP3 VM and connect it to SLES-10-SP3_x86_64 ISO

NOTE: This is done so that the VM is considered first boot and will therefore boot the attached install media in a mode that can update the existing paravirtualized VM, same parameters as original and any sized disk . Do not start the VM on completion of the wizard.

Disclaimer: This content is not supported by Novell. It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test it thoroughly before using it in a production environment.